[INFO] cloning repository https://github.com/flomonster/my-git
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/flomonster/my-git" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fflomonster%2Fmy-git", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fflomonster%2Fmy-git'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 56353845985a3242986219e8fde191f016a73a79
[INFO] documenting flomonster/my-git against beta-2020-08-29 for beta-1.47-rustdoc-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fflomonster%2Fmy-git" "/workspace/builds/worker-11/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-11/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/flomonster/my-git on toolchain beta-2020-08-29
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-08-29" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/flomonster/my-git
[INFO] finished tweaking git repo https://github.com/flomonster/my-git
[INFO] tweaked toml for git repo https://github.com/flomonster/my-git written to /workspace/builds/worker-11/source/Cargo.toml
[INFO] crate git repo https://github.com/flomonster/my-git already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-08-29" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded vec_map v0.8.1
[INFO] [stderr]   Downloaded atty v0.2.11
[INFO] [stderr]   Downloaded time v0.1.42
[INFO] [stderr]   Downloaded thread_local v0.3.6
[INFO] [stderr]   Downloaded numtoa v0.1.0
[INFO] [stderr]   Downloaded rustc-demangle v0.1.15
[INFO] [stderr]   Downloaded blake2-rfc v0.2.18
[INFO] [stderr]   Downloaded glob v0.3.0
[INFO] [stderr]   Downloaded rand_os v0.1.3
[INFO] [stderr]   Downloaded syn v0.15.39
[INFO] [stderr]   Downloaded regex-syntax v0.6.11
[INFO] [stderr]   Downloaded nodrop v0.1.13
[INFO] [stderr]   Downloaded redox_syscall v0.1.54
[INFO] [stderr]   Downloaded unicode-width v0.1.5
[INFO] [stderr]   Downloaded num-integer v0.1.41
[INFO] [stderr]   Downloaded termion v1.5.3
[INFO] [stderr]   Downloaded serde_derive v1.0.99
[INFO] [stderr]   Downloaded ansi_term v0.11.0
[INFO] [stderr]   Downloaded winconsole v0.10.0
[INFO] [stderr]   Downloaded backtrace v0.3.32
[INFO] [stderr]   Downloaded cloudabi v0.0.3
[INFO] [stderr]   Downloaded backtrace-sys v0.1.30
[INFO] [stderr]   Downloaded cc v1.0.37
[INFO] [stderr]   Downloaded dirs-sys v0.3.3
[INFO] [stderr]   Downloaded num-traits v0.1.43
[INFO] [stderr]   Downloaded scoped_threadpool v0.1.9
[INFO] [stderr]   Downloaded rand v0.4.6
[INFO] [stderr]   Downloaded fuchsia-cprng v0.1.1
[INFO] [stderr]   Downloaded constant_time_eq v0.1.3
[INFO] [stderr]   Downloaded redox_users v0.3.0
[INFO] [stderr]   Downloaded flate2 v1.0.9
[INFO] [stderr]   Downloaded libc v0.2.58
[INFO] [stderr]   Downloaded argon2rs v0.2.5
[INFO] [stderr]   Downloaded yaml-rust v0.3.5
[INFO] [stderr]   Downloaded winapi v0.3.7
[INFO] [stderr]   Downloaded strsim v0.8.0
[INFO] [stderr]   Downloaded textwrap v0.11.0
[INFO] [stderr]   Downloaded chrono v0.4.7
[INFO] [stderr]   Downloaded crc32fast v1.2.0
[INFO] [stderr]   Downloaded serde v1.0.99
[INFO] [stderr]   Downloaded path_abs v0.5.0
[INFO] [stderr]   Downloaded rand_core v0.3.1
[INFO] [stderr]   Downloaded sha1 v0.6.0
[INFO] [stderr]   Downloaded yaml-rust v0.4.3
[INFO] [stderr]   Downloaded bitflags v1.1.0
[INFO] [stderr]   Downloaded rand_core v0.4.0
[INFO] [stderr]   Downloaded cfg-if v0.1.9
[INFO] [stderr]   Downloaded stfu8 v0.2.4
[INFO] [stderr]   Downloaded linked-hash-map v0.5.2
[INFO] [stderr]   Downloaded std_prelude v0.2.12
[INFO] [stderr]   Downloaded aho-corasick v0.7.6
[INFO] [stderr]   Downloaded lazy_static v1.3.0
[INFO] [stderr]   Downloaded redox_termios v0.1.1
[INFO] [stderr]   Downloaded rgb v0.8.13
[INFO] [stderr]   Downloaded clap v2.33.0
[INFO] [stderr]   Downloaded approx v0.1.1
[INFO] [stderr]   Downloaded autocfg v0.1.4
[INFO] [stderr]   Downloaded num-traits v0.2.8
[INFO] [stderr]   Downloaded colored v1.8.0
[INFO] [stderr]   Downloaded miniz_oxide_c_api v0.2.3
[INFO] [stderr]   Downloaded dirs v2.0.1
[INFO] [stderr]   Downloaded arrayvec v0.4.11
[INFO] [stderr]   Downloaded adler32 v1.0.3
[INFO] [stderr]   Downloaded regex v1.2.1
[INFO] [stderr]   Downloaded miniz_oxide v0.3.1
[INFO] [stderr]   Downloaded proc-macro2 v1.0.1
[INFO] [stderr]   Downloaded cgmath v0.16.1
[INFO] [stderr]   Downloaded syn v1.0.4
[INFO] [stderr]   Downloaded rdrand v0.4.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-08-29" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 0c93458e821d47590d8cde998de373478dea4e9cc5e10a3ac8e3136137863545
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "0c93458e821d47590d8cde998de373478dea4e9cc5e10a3ac8e3136137863545", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "0c93458e821d47590d8cde998de373478dea4e9cc5e10a3ac8e3136137863545", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0c93458e821d47590d8cde998de373478dea4e9cc5e10a3ac8e3136137863545", kill_on_drop: false }`
[INFO] [stdout] 0c93458e821d47590d8cde998de373478dea4e9cc5e10a3ac8e3136137863545
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-08-29" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 36a55343d96392e07a27ec3e7e1485962255e5e9d7edb4a410fd7a5089122f82
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "36a55343d96392e07a27ec3e7e1485962255e5e9d7edb4a410fd7a5089122f82", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling syn v1.0.4
[INFO] [stderr]    Compiling winapi v0.3.7
[INFO] [stderr]    Compiling serde v1.0.99
[INFO] [stderr]     Checking miniz_oxide v0.3.1
[INFO] [stderr]    Compiling miniz_oxide_c_api v0.2.3
[INFO] [stderr]     Checking rand v0.4.6
[INFO] [stderr]     Checking time v0.1.42
[INFO] [stderr]     Checking dirs-sys v0.3.3
[INFO] [stderr]     Checking num-integer v0.1.41
[INFO] [stderr]     Checking stfu8 v0.2.4
[INFO] [stderr]     Checking clap v2.33.0
[INFO] [stderr]     Checking dirs v2.0.1
[INFO] [stderr]     Checking chrono v0.4.7
[INFO] [stderr]     Checking cgmath v0.16.1
[INFO] [stderr]     Checking flate2 v1.0.9
[INFO] [stderr]     Checking winconsole v0.10.0
[INFO] [stderr]     Checking colored v1.8.0
[INFO] [stderr]    Compiling serde_derive v1.0.99
[INFO] [stderr]     Checking path_abs v0.5.0
[INFO] [stderr]  Documenting my_git v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unnecessary parentheses around type
[INFO] [stdout]    --> src/index.rs:104:17
[INFO] [stdout]     |
[INFO] [stdout] 104 |     ) -> Result<(Vec<PathBuf>), Box<Error>> {
[INFO] [stdout]     |                 ^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_parens)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 49.38s
[INFO] running `Command { std: "docker" "inspect" "36a55343d96392e07a27ec3e7e1485962255e5e9d7edb4a410fd7a5089122f82", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "36a55343d96392e07a27ec3e7e1485962255e5e9d7edb4a410fd7a5089122f82", kill_on_drop: false }`
[INFO] [stdout] 36a55343d96392e07a27ec3e7e1485962255e5e9d7edb4a410fd7a5089122f82